1917, 11¢ light green. O.g., never hinged, virtually perfect centering amid large oversized and evenly balanced margins, rich bright color, a Superb jumbo, an outstanding large margin gem; with 2002 P.S.E. and 2006 P.S.E. Graded certificate (XF-Sup 95J, $225 for 95 & $800 for 98). Scott No. 511  $20. $0 (Image)